Downe House School

Comprehensive and complete notes for part 1 of the CIE, IGCSE Structure and Bonding module. These notes cover the entire syllabus for this topic and will enable you to: *Describe the main types of structure: - giant metallic, giant ionic, giant covalent (macromolecular) or Simple Molecular *Explain the differences between elements, compounds and mixtures *Explain how the properties of metals differ from those of non-metals, and define an alloy (eg. brass or steel) as a mixture of a metal...

Comprehensive and complete notes for part 1 of the CIE, IGCSE Periodic Table module. These notes cover the entire syllabus for this topic and will enable you to: *Understand the Periodic Table as a method of classifying elements *Describe the Group 1 elements: - fairly soft metals - they have low densities for metals - their melting points decrease down the group - their reactivity increases as you go down the group *Describe the Group VII elements (halogens): - they contain diatomi...

Comprehensive and complete notes for part 1 of the CIE, IGCSE Organic Chemistry module. These notes cover the entire syllabus for this topic and will enable you to: *Name and draw compound structures including alkanes and alkenes *Recognise from diagrams the structures of alkanes, alkenes, alcohols and carboxylic acids *Understand a range of facts about fuels *Describe a homologous series of compounds as: - having the same functional group - having similar properties - having the sa...

Complete module notes for the IGCSE, CIE Metal Extraction & Reactivity topic. The notes include information and worksheets on all areas of the syllabus relating to the Metal Extraction & Reactivity topic so that you will be able to: *Describe the reactivity series *You can get the order of reactivity by observing the reaction of the metals with: - water, steam, dilute hydrochloric acid, reduction of the metal oxide with carbon, and work out the order of reactivity from experimental resu...

Complete module notes for the IGCSE, CIE Limestone topic. The notes include information and worksheets on all areas of the syllabus relating to the Limestone topic so that you will be able to: *Describe the reactions and uses of calcium carbonate: - how lime (calcium oxide) is made from calcium carbonate by heating - the chemical reaction involved in making lime is thermal decomposition - lime is used to neutralise acidic soils - slaked lime is used to neutralise acidic industrial waste...

Complete module notes for the IGCSE, CIE Further Organic Chemistry topic. The notes include information and worksheets on all areas of the syllabus relating to the Further Organic Chemistry Modules topic so that you will be able to: *Understand that ethanol: - forms carbon dioxide and water on complete combustion - can be made by fermentation - can be made by addition of steam to ethene in the presence of a catalyst - is used as a solvent and can be used as a fuel too *Understand that ...

Complete module notes for the IGCSE, CIE Formulae and Equations topic. The notes include information and worksheets on all areas of the syllabus relating to the Formulae and Equations topic so that you will be able to: *Use the symbols of the elements *Write formulas of simple compounds *Work out the formula of a compound by comparing the number of different atoms *Work out the formula of a compound from a diagram *Write word equations *Write simple balanced equations *Write more complex balanc...

Complete module notes for the IGCSE, CIE Equilibrium module. The notes include information and worksheets on all areas of the syllabus relating to the Equilibrium topic so that you will be able to: *Understand aspects of reversible reactions: - changing reaction conditions - hydration and dehydration of salts - concept of equilibrium - endothermic and exothermic reactions and yield *Describe the importance of ammonia and ammonium compounds *Understand the Haber process *Describe some as...

Complete module notes for the IGCSE, CIE Energy Change topic. The notes include information and worksheets on all areas of the syllabus relating to the Energy Change topic so that you will be able to: *Understand exothermic reactions and endothermic reactions, that heat is released when fuels are burnt, that hydrogen can be used as a fuel, that some radioactive isotopes are a source of energy, and redox reactions

Complete module notes for the IGCSE, CIE Electrolysis module. The notes include information and worksheets on all areas of the syllabus relating to the Electrolysis topic so that you will be able to: *Describe some general ideas used in electrolysis: - the cathode is the negative electrode - the anode is the positive electrode - inert electrodes such as platinum or carbon are used in electrolysis *Describe the products formed at the electrodes in the electrolysis of substances *Describe w...